*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --panel: rgba(255, 255, 255, 0.96);
  --gray: #8c867f;
  --line: rgba(13, 13, 13, 0.08);
  --hover: #f0ece6;
  --accent: #0000ff;
  --side-safe: clamp(84px, 9vw, 140px);
  --nav-size: clamp(18px, 1.4vw, 22px);
}

html, body { height: 100%; background: var(--white); color: var(--black); -webkit-font-smoothing: antialiased; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  font-family: 'Marcellus', sans-serif;
  font-weight: 300;
  overflow: hidden;
  cursor: default;
  background: var(--white);
}

/* CUSTOM CURSOR */
#cur { display: none; }

/* SIDEBAR */
aside {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}
aside::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background .28s ease;
  pointer-events: none;
}
.open::before {
  background: var(--accent);
  pointer-events: auto;
}

#sidebar.open .s-logo-name,
#sidebar.open .mobile-toggle { color: var(--white); }
#sidebar.open .mobile-toggle:hover,
#sidebar.open .mobile-toggle:focus,
#sidebar.open .mobile-toggle:active { color: var(--white); }

.open .s-link { color: var(--gray); }
.open .s-link:hover, .open .s-link.on { color: var(--white); }

.open .s-cat-head { color: var(--gray); }
.open .s-cat-head:hover { color: var(--white); }
.open .s-item { color: var(--gray); }
.open .s-item:hover, .open .s-item.on { color: var(--white); }

.open .lang-btn { color: var(--gray); }
.open .lang-btn:hover, .open .lang-btn.active { color: var(--white); }
.open .lang-sep { color: var(--gray); }
.s-logo-container {
  position: absolute;
  top: 44px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  pointer-events: auto;
}
.s-logo { cursor: pointer; }
.s-logo-name {
  font-family: 'Poppins', sans-serif;
  font-size: var(--nav-size);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
}
.s-logo-sub { display: none; }

.mobile-toggle {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  display: block;
  padding: 0;
  border: none;
  background: transparent;
  backdrop-filter: none;
  font-family: 'Poppins', sans-serif;
  font-size: var(--nav-size);
  font-weight: 400;
  letter-spacing: .02em;
  text-transform: lowercase;
  color: var(--black);
  pointer-events: auto;
  z-index: 240;
  appearance: none;
  -webkit-appearance: none;
  box-shadow: none;
  outline: none;
}
.mobile-toggle:focus,
.mobile-toggle:active,
.mobile-toggle:hover {
  background: transparent;
  border: none;
  box-shadow: none;
  outline: none;
  color: var(--black);
}

.s-nav {
  position: absolute;
  left: 50%;
  bottom: 96px;
  top: auto;
  transform: translateX(-50%) translateY(16px);
  width: min(1080px, calc(100vw - 120px));
  max-height: min(68vh, 760px);
  overflow-y: auto;
  padding: 34px;
  border: none;
  border-radius: 0;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease, transform .28s ease;
  scrollbar-width: none;
  text-align: center;
}
.s-nav #lang-switcher {
  position: static;
  right: auto;
  bottom: auto;
  left: auto;
  transform: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin: 0 0 22px;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  font-size: var(--nav-size);
}
.open .s-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.s-nav::-webkit-scrollbar { display: none; }

.s-cat-head {
  padding: 0 0 14px;
  margin-top: 22px;
  font-size: var(--nav-size);
  font-family: 'Poppins', sans-serif;
  font-weight: 400;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--gray);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border-bottom: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.s-nav > div:first-child .s-cat-head { margin-top: 0; }
.s-cat-arr { transition: transform .3s; font-size: 12px; }
.s-cat-head.closed .s-cat-arr { transform: rotate(-90deg); }
.s-items { overflow: hidden; transition: max-height .5s ease; max-height: 800px; }
.s-cat-head.closed + .s-items { max-height: 0; }

.s-item {
  font-family: 'Poppins', sans-serif;
  padding: 8px 0;
  font-size: var(--nav-size);
  font-weight: 400;
  line-height: 1.4;
  color: var(--black);
  cursor: pointer;
  position: relative;
  transition: color .2s, transform .2s;
  border-radius: 0;
}
.s-item::before { display: none; }
.s-item:hover { color: var(--accent); transform: none; background: transparent; }
.s-item.on { background: transparent; color: var(--accent); }

.s-foot { pointer-events: none; }
.s-link {
  position: fixed;
  top: 50%;
  font-family: 'Poppins', sans-serif;
  font-size: var(--nav-size);
  font-weight: 400;
  letter-spacing: .02em;
  text-transform: lowercase;
  color: var(--black);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 90px;
  white-space: nowrap;
  cursor: pointer;
  transition: opacity .2s, color .2s;
  pointer-events: auto;
}
#sl-about {
  left: calc(var(--side-safe) / 2 - 45px);
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
}
#sl-contact {
  right: calc(var(--side-safe) / 2 - 45px);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center;
}
.s-link:hover, .s-link.on { color: var(--accent); }

/* MAIN CONTENT */
main {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}
.page { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .5s ease; }
.page.on { opacity: 1; pointer-events: all; }
#pg-about, #pg-contact { height: 100%; overflow-y: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
#pg-about::-webkit-scrollbar, #pg-contact::-webkit-scrollbar { display: none; }

/* HOME SLIDER */
#pg-home {
  height: 100%;
  padding: 0;
  overflow: visible;
}
.h-track {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
  cursor: pointer;
}
.h-track::-webkit-scrollbar { display: none; }
.h-slide {
  position: absolute;
  left: 50%;
  top: calc(50% + 16px);
  width: clamp(220px, 26vw, 420px);
  display: flex;
  align-items: center;
  justify-content: center;
  transform:
    translate(-50%, -50%)
    translate(var(--tx-collapsed, 0px), var(--ty-collapsed, 0px))
    scale(var(--scale-collapsed, 1))
    rotate(var(--rot-collapsed, 0deg));
  transform-origin: center;
  transition: transform .7s cubic-bezier(.2,.8,.2,1), opacity .45s ease, z-index 0s linear .7s, box-shadow .4s ease;
  z-index: var(--z-collapsed, 1);
  opacity: 1;
  cursor: pointer;
  box-shadow: 0 4px 22px rgba(13, 13, 13, 0.10), 0 1px 4px rgba(13, 13, 13, 0.05);
}
.h-track.is-expanded .h-slide {
  transform:
    translate(-50%, -50%)
    translate(var(--tx-expanded, 0px), var(--ty-expanded, 0px))
    scale(var(--scale-expanded, 1))
    rotate(0deg);
  z-index: var(--z-expanded, 1);
  box-shadow: 0 6px 28px rgba(13, 13, 13, 0.12);
}
.h-track:not(.is-expanded):hover .h-slide:first-child {
  box-shadow: 0 10px 32px rgba(13, 13, 13, 0.16);
}
.h-track.is-expanded .h-slide:hover {
  box-shadow: 0 12px 40px rgba(13, 13, 13, 0.18);
}
.h-slide-img-wrap {
  width: 100%;
  height: auto;
  display: block;
}
.h-slide-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .7s cubic-bezier(.2,.8,.2,1);
}
.h-track.is-expanded .h-slide:hover img {
  transform: scale(1.02);
}
.h-slide-title { display: none; }


/* PROJECT DETAIL */
#pg-project {
  height: 100%;
  overflow-y: auto;
  scroll-behavior: smooth;
  background: var(--white);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#pg-project::-webkit-scrollbar { display: none; }
.proj-hero {
  width: calc(100vw - (var(--side-safe) * 2));
  margin: 0 auto;
  height: auto;
  padding: 0;
  display: flex;
}
#p-hero > .proj-hero {
  width: 100%;
  margin: 0;
}
.proj-hero img { width: 100%; height: auto; display: block; object-fit: cover; cursor: zoom-in; }
.proj-gallery {
  display: flex;
  flex-direction: column;
  gap: 36px;
  width: calc(100vw - (var(--side-safe) * 2));
  margin: 0 auto;
  padding: 36px 0 0;
}
.proj-img-wrap { width: 100%; display: flex; background: none; min-height: auto; }
.proj-img-wrap img { width: 100%; height: auto; display: block; cursor: zoom-in; }
.proj-loading {
  width: 100%;
  min-height: 42vh;
  background:
    linear-gradient(110deg, #f7f7f7 8%, #efefef 18%, #f7f7f7 33%);
  background-size: 200% 100%;
  animation: projShimmer 1.2s linear infinite;
}
.proj-img {
  opacity: 0;
  transition: opacity .25s ease;
}
.proj-img.is-ready {
  opacity: 1;
}
@keyframes projShimmer {
  to { background-position-x: -200%; }
}

.proj-info {
  width: min(1100px, calc(100vw - (var(--side-safe) * 2)));
  padding: 84px 0 100px;
  margin: 56px auto 0;
}
.proj-info-eyebrow {
  font-family: 'Poppins', sans-serif;
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
  text-align: center;
}
.proj-info-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(40px, 6vw, 80px);
  font-style: italic;
  margin-bottom: 50px;
  text-align: center;
}
.proj-info-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}
.proj-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  max-width: 760px;
  text-align: center;
}
.proj-desc p { margin-bottom: 1.2em; }
.proj-desc p:last-of-type { margin-bottom: 0; }
.proj-meta {
  width: 100%;
  max-width: 760px;
}
.proj-meta-row {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}
.proj-meta-row:first-child { border-top: 1px solid var(--line); }
.proj-meta-label { color: var(--gray); text-transform: uppercase; font-size: 9px; letter-spacing: .1em; }

/* LIGHTBOX */
#lightbox {
  position: fixed; inset: 0; background: rgba(13, 13, 13, 0.9);
  z-index: 10000; display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  touch-action: none;
  -webkit-touch-callout: none;
}
#lightbox.on { display: flex; }
.lb-content { max-width: 90%; max-height: 90%; display: flex; align-items: center; justify-content: center; }
.lb-content img { max-width: 100%; max-height: 90vh; object-fit: contain; pointer-events: none; user-select: none; }
.lb-close { position: absolute; top: 30px; right: 40px; color: white; font-size: 24px; cursor: pointer; z-index: 10001; padding: 10px; }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--black);
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  padding: 30px;
  z-index: 10001;
  transition: color 0.2s;
}
.lb-nav:hover { color: var(--accent); }
.lb-prev { left: 10px; }
.lb-next { right: 10px; }
#lightbox.single-img .lb-nav { display: none; }

/* ABOUT & CONTACT */
.content-block {
  padding: 140px 0 120px;
  width: min(960px, calc(100vw - (var(--side-safe) * 2)));
  margin: 0 auto;
  text-align: center;
}
.eyebrow { display: none; }
.heading { font-family: 'Cormorant Garamond', serif; font-size: clamp(40px, 5vw, 70px); line-height: 1; margin-bottom: 40px; }
.heading em { font-style: italic; color: var(--black); }
.about-stats { margin-top: 64px; display: flex; flex-direction: column; gap: 44px; }
.about-copy { display: flex; flex-direction: column; gap: 22px; max-width: 760px; margin: 0 auto; align-items: center; }
.about-copy p { font-size: 14px; line-height: 1.9; color: #555; }
.stat-lbl { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--gray); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.stat-item { font-size: 12px; letter-spacing: .06em; padding: 8px 0; border-bottom: 1px solid var(--line); }
.contact-form {
  margin-bottom: 72px;
  display: grid;
  gap: 18px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  justify-items: center;
}
.contact-field {
  display: grid;
  gap: 8px;
  width: 100%;
  justify-items: center;
}
.contact-label {
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: center;
}
.contact-input,
.contact-textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--black);
  font: inherit;
  font-size: 12px;
  padding: 16px 18px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.contact-input:focus,
.contact-textarea:focus {
  border-color: var(--accent);
  background: #fffdfa;
}
.contact-textarea {
  min-height: 170px;
  resize: vertical;
}
.contact-submit {
  width: fit-content;
  border: 1px solid var(--black);
  background: var(--black);
  color: var(--white);
  font: inherit;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 16px 24px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.contact-submit:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.contact-note {
  font-size: 11px;
  line-height: 1.7;
  color: #666;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.contact-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}
.contact-status {
  font-size: 11px;
  line-height: 1.7;
  min-height: 1.7em;
  color: #666;
  text-align: center;
}
.contact-status.is-error {
  color: #a12626;
}
.contact-status.is-success {
  color: #1a6a3a;
}
.contact-links {
  max-width: 520px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.c-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--gray);
  transition: color .2s, padding-left .2s;
}
.c-row:hover { padding-left: 10px; color: var(--accent); }
.c-row-name {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.c-row-arr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: .7;
  transition: opacity .2s, transform .2s;
}
.c-row-arr svg { display: block; }
.c-row:hover .c-row-arr { opacity: 1; transform: translate(2px, -2px); }

/* LANGUAGE SWITCHER */
#lang-switcher {
  position: fixed;
  right: 44px;
  bottom: 50px;
  display: flex;
  gap: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  justify-content: center;
  align-items: center;
  background: transparent;
  backdrop-filter: none;
  pointer-events: auto;
}
.lang-btn {
  background: transparent; border: none; padding: 4px 8px; line-height: 1;
  font-family: 'Poppins', sans-serif;
  font-size: var(--nav-size);
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--gray); cursor: pointer !important; transition: color .2s;
  display: flex; align-items: center; gap: 0;
  pointer-events: auto;
}
.lang-sep {
  color: var(--gray);
  font-size: var(--nav-size);
}
.lang-btn.active { color: var(--accent); }
.lang-btn:hover { color: var(--accent); cursor: pointer; }

body.home-active {
  overflow: hidden;
}

/* MOBILE STYLES */
@media (max-width: 768px) {
  :root {
    --mobile-side-safe: 32px;
    --nav-size: 16px;
  }
  body { cursor: auto; overflow: hidden; }
  .s-logo-container { top: 26px; }
  .mobile-toggle {
    bottom: 20px;
    padding: 0;
  }
  .s-nav {
    top: auto;
    bottom: 76px;
    width: calc(100vw - 20px);
    max-height: min(62vh, 520px);
    padding: 22px 18px 28px;
    border-radius: 0;
  }
  .s-link {
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    font-size: var(--nav-size);
    line-height: 1;
    width: var(--mobile-side-safe);
    white-space: nowrap;
  }
  #sl-about {
    left: 0;
    justify-content: center;
    text-align: center;
  }
  #sl-contact {
    right: 0;
    justify-content: center;
    text-align: center;
  }
  #lang-switcher {
    right: auto;
    left: 50%;
    bottom: 78px;
    transform: translateX(-50%);
    padding: 0;
  }
  .lang-btn { padding: 4px 6px; line-height: 1; }
  main {
    height: 100svh;
    overflow: hidden;
    padding-bottom: 0;
  }
  #pg-home {
    width: calc(100vw - (var(--mobile-side-safe) * 2));
    margin: 0 auto;
    height: 100svh;
    min-height: 640px;
    display: none;
    padding: 0;
    overflow: visible;
  }
  #pg-home.on { display: block; }
  .page {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    display: block;
    height: 100svh;
  }
  .page.on { opacity: 1; pointer-events: all; }
  #pg-project,
  #pg-about,
  #pg-contact {
    width: calc(100vw - (var(--mobile-side-safe) * 2));
    margin: 0 auto;
    height: 100svh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding-top: 0;
    scrollbar-width: none;
  }
  #pg-project::-webkit-scrollbar,
  #pg-about::-webkit-scrollbar,
  #pg-contact::-webkit-scrollbar {
    display: none;
  }
  .h-slide-img-wrap {
    width: 100%;
    height: 100%;
    padding: 0;
  }
  .h-slide {
    width: clamp(150px, 36vw, 250px);
  }
  .proj-hero,
  .proj-gallery,
  .proj-info,
  .content-block {
    width: 100%;
    margin: 0;
  }
  .proj-gallery { gap: 20px; padding: 20px 0 0; }
  .proj-info { padding: 50px 0; }
  .proj-info-grid { gap: 30px; }
  .content-block { padding: 94px 0 120px; }
  .contact-submit { cursor: pointer; width: 100%; justify-content: center; }
  body.home-active {
    overflow: hidden;
    height: 100svh;
  }
  body.home-active main {
    height: 100svh;
    overflow: hidden;
    padding-bottom: 0;
  }
}